SOLUTION: The graph {{{3*x+5*y=9}}} crosses the x-axis when x=?

Algebra ->  Graphs -> SOLUTION: The graph {{{3*x+5*y=9}}} crosses the x-axis when x=?      Log On


   

Question 140616: The graph 3%2Ax%2B5%2Ay=9 crosses the x-axis when x=?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
To find where the graph crosses the x-axis, simply plug in y=0

3%2Ax%2B5%2Ay=9 Start with the given equation

3%2Ax%2B5%2A%280%29=9 Plug in y=0

3%2Ax=9 Simplify

x=9%2F3 Divide both sides by 3


x=3 Reduce


So the graph crosses the x-axis when x=3